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ACQUISITIONS (Details Textuals) - Heico Flight Support Corp [Member] - A2C [Member] - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Apr. 30, 2017 | Apr. 30, 2016 | Apr. 30, 2017 | Apr. 30, 2016
Business Acquisition [Line Items] |  |  |  |
Effective Date of Acquisition |  |  | Apr. 24, 2017 |
Name of Acquired Entity |  |  | Air Cost Control |
Percentage of Voting Interests Acquired | 80.10% |  | 80.10% |
Description of Acquired Entity |  |  | A2C is a leading aviation electrical interconnect product distributor of items such as connectors, wire, cable, protection and fastening systems, in addition to distributing a wide range of electromechanical parts. |
Ownership Percentage by Noncontrolling Owners | 19.90% |  | 19.90% |
Pro Forma Revenue | $ 389.1 | $ 372.5 | $ 753.2 | $ 696.2

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